国家/地区 中国（28） 世界知识产权组织（2）
IPC部 B（28）
IPC大类 B22（28）
IPC小类 C22C（28） B22F（24） H01B（7）
C01B（6） C22F（6） C23C（5）
B22D（4） C21D（4） B21C（3）
H01H（3） B82Y（2）
IPC C22C009/00（28）
发明人 BAO R（3） YI J（3） CAO H（2）
CHEN G（2） HOU H（2） JU J（2）
LI T（2） LI Z（2） LIU M（2）
LIU W（2） MA Y（2） WANG Y（2）
WU G（2） XIU Z（2） YANG M（2）
公开年 2021（15） 2022（12）
申请年 2021（28）
专利权人 UNIV KUNMING.（3） AVIC MFG TEC.（2） HARBIN INST .（2） SHAANXI SIRU.（2）
UNIV SHANGHA.（2） ZHEJIANG CHI.（2）

Preparing copper rare earth graphene electrical contact material comprises e.g. mixing copper rare earth alloy powder and silicon powder to obtain mixed powder, carrying out chemical vapor deposition, separating silicon powder in mixed powder, sintering, extruding and drawing preform.

CAO H, MA Y

In-situ interface modification method of graphene copper-based composite material involves adding copper powder after annealing and reduction into mixed solution of carbon source and copper salt in oil bath heating environment, and coating carbon source with copper ion powder.

ZHANG D, LI Z, PENG Y, DONG Z, XIONG D

Preparing metal-based graphene composite material, comprises mixing graphene slurry and metal powder to form mixed slurry, and forming mixed slurry into metal-based graphene composite material by chemical vapor deposition in oxygen-free environment.

QIAN T, CAO H, SHEN H, LV X, MA Y

Preparation of rare earth modified graphene copper based composite material used for contact line for high speed rail, involves ball milling graphite, organic amine and alcohol substance, centrifuging and separating product, and dissolving copper salt in alcohol substance.

WANG X, HUANG W, XUE D, WONG W

Metal-based composite material for use in heat sink of electronic device, has reinforcement particles comprising silicon carbide particles, diamond particles, boron carbide particles or graphene particles dispersed in metal matrix, where metal matrix has single metal matrix or alloy matrix.

WANG L, LI Q, ZHAO J

Superconducting copper comprises oxygen-free copper, graphene, lead, niobium, and titanium.

MU Y, HU W

Method for preparing high-strength and high-conductivity graphene/copper-aluminum composite material used in rail traffic, comprises e.g. pressing mixed powder into billet by isostatic pressing, sintering, thermally insulating and carrying out hot extrusion of sintered billet and annealing.

YANG C

Graphene-reinforced metal composite material for use in electronic packaging, has metal substrate and enhanced phase, where reinforced phase comprises graphene housing and metal particles in the graphene housing.

LUO P, YANG Y, HE G, LIANG Y

Method for Preparing oxidation resistant copper-based surface enhanced Raman scattering substrate, involves adding alloy strip into hydrochloric acid ethanol solution to remove alloy to obtain nano porous copper, carrying out acid washing on nano porous copper, and washing oxide layer off.

LIU J, NING J, ZHANG L, CHEN C, PAN D

Sheet-shaped radiating fin for use in electronic device e.g. folding mobile phone, has copper-graphene composite powder mixed in graphene powder and composed of graphene-copper powder and graphene powder, where fin comprises graphene powder.

DENG H, YANG Z